XML 31 R31.htm IDEA: XBRL DOCUMENT v2.4.1.9
Summary of Significant Accounting Policies (Summary Of Estimated Fair Value Of Financial Instruments) (Details) (USD $)
In Thousands, unless otherwise specified
Apr. 30, 2015
Jul. 31, 2014
Apr. 30, 2014
Carrying value $ 379,796us-gaap_LongTermDebtNoncurrent $ 625,600us-gaap_LongTermDebtNoncurrent $ 799,223us-gaap_LongTermDebtNoncurrent
6.50% Notes [Member]      
Carrying value 215,000us-gaap_LongTermDebtNoncurrent
/ us-gaap_LongtermDebtTypeAxis
= mtn_SixPointFiveZeroPercentNotesMember		    
Fair value 221,988us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= mtn_SixPointFiveZeroPercentNotesMember		    
Industrial Development Bonds [Member]      
Carrying value 41,200us-gaap_LongTermDebtNoncurrent
/ us-gaap_LongtermDebtTypeAxis
= mtn_IndustrialDevelopmentBondsMember		    
Fair value 42,848us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= mtn_IndustrialDevelopmentBondsMember		    
Other Long-Term Debt [Member]      
Carrying value 11,875us-gaap_LongTermDebtNoncurrent
/ us-gaap_LongtermDebtTypeAxis
= mtn_OtherLongTermDebtMember		    
Fair value $ 12,521us-gaap_DebtInstrumentFairValue
/ us-gaap_LongtermDebtTypeAxis
= mtn_OtherLongTermDebtMember